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  #1  
Old 11-26-2008, 11:26 PM
kevman0713
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Default Repair question for 2001 ford ranger pickup?

i have a bad squealing coming from the serpentine belt on my truck. i just replaced it a month ago and it has been doing it ever since. i tried putting some belt dressing on there hoping it would cut out on the squealing but it seems to just get worse and worse. i really don't have the money right now to take it to a shop. is there anything i can do to fix it?
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Old 11-26-2008, 11:26 PM
NOSSLP
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Take off the belt, and use some 320 grit sandpaper on all of the pulleys, then put on another new belt. If this doesn't help, you may have a bad idler pulley, which are easy to change.
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Old 11-26-2008, 11:26 PM
malemute1
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you probably have an idler pulley spuealing. take a long screwdriver and carefully put the tool end on the pulley while it is spinning..put your ear on the other end.....test each idler until you find the one that is grinding/squealing....replace the pulley and put the belt back on....prob solved.
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Old 11-26-2008, 11:27 PM
doug h
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if the problem is your idler pulley you can replace just the bearing in the pulley. usually just a few dollars. it could be a problem with any of the driven pulleys though. alternator, power steering, air cond. or water pump. but i would check the idler pulley first. common on ford
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Old 11-26-2008, 11:27 PM
RepoMan18
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Couple of possibilities. Try spraying the belt with wd-40. If the squeak comes back, then with the engine running, carefully scuff the side of the belt with the ribs with a wire brush.

Moisture usually causes the squeaking. You may have a leaky hose or water pump. Look carefully.

Good Luck
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  #6  
Old 12-10-2010, 11:38 PM
chaddwalters chaddwalters is offline
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Thumbs up Re: Repair question for 2001 ford ranger pickup?

Quote:
Originally Posted by NOSSLP View Post
Take off the belt, and use some 320 grit sandpaper on all of the pulleys, then put on another new belt. If this doesn't help, you may have a bad idler pulley, which are easy to change.
x2 - 400 grit also works, same does steal wool (i think thats what you call it). Get the pulleys real good and then clean them with brake cleaner. Do the same to the belt (easier on the belt tho, remember it is rubber) but AS SOON as you get the money I would replace the belt with either a Gates or a Gatorback. Probubly be around $40-$50 for the belt but its worth it for peice of mind and acually driving without the radio cranked to drown the squeak... lol.

What happens is the belt (from slipping) and pulleys get "glazed", you can tell that they are glazed by looking at the pulley (not the ribbed ones the flat ones) and if it appears shiney or like a mirror it is glazed. Same for the belt, if its really smooth and shiney its glazed. The sandpaper removes that glaze and "scratches" the surface (for lack of a better word) which in return causes the belt to grip better and less squeak.
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